{"id":13459680,"url":"https://github.com/lifeparticle/Terminal-Commands-Cheatsheet","last_synced_at":"2025-03-24T18:31:07.249Z","repository":{"id":43018166,"uuid":"511004844","full_name":"lifeparticle/Terminal-Commands-Cheatsheet","owner":"lifeparticle","description":"Terminal-Commands-Cheatsheet","archived":false,"fork":false,"pushed_at":"2022-10-19T12:52:55.000Z","size":7,"stargazers_count":6,"open_issues_count":0,"forks_count":1,"subscribers_count":3,"default_branch":"main","last_synced_at":"2024-08-01T10:19:19.605Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lifeparticle.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2022-07-06T05:46:43.000Z","updated_at":"2024-07-07T16:41:43.000Z","dependencies_parsed_at":"2023-01-20T02:17:41.225Z","dependency_job_id":null,"html_url":"https://github.com/lifeparticle/Terminal-Commands-Cheatsheet","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lifeparticle%2FTerminal-Commands-Cheatsheet","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lifeparticle%2FTerminal-Commands-Cheatsheet/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lifeparticle%2FTerminal-Commands-Cheatsheet/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lifeparticle%2FTerminal-Commands-Cheatsheet/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lifeparticle","download_url":"https://codeload.github.com/lifeparticle/Terminal-Commands-Cheatsheet/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":221995746,"owners_count":16913553,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-07-31T10:00:24.782Z","updated_at":"2024-10-29T05:31:13.239Z","avatar_url":"https://github.com/lifeparticle.png","language":null,"funding_links":[],"categories":["Uncategorized"],"sub_categories":["Uncategorized"],"readme":"# \n\n```shell\n# List all available shells in macOS X\ncat /etc/shells\n\n# To see which shell you’re running.\necho $0\n\necho $BASH_VERSION\n\necho $ZSH_VERSION\n\n# To change to bash shell.\nchsh -s /bin/bash\n\n# To change to zsh shell.\nchsh -s /bin/zsh\n```\n\n# Variables\n\n## Bash\n\n```shell\nhw='Hello, World!'\necho \"$hw\"\n\n# output of a command\nfirst_line=$(head -1 version.txt)\necho \"$first_line\"\n```\n\n# String\n\n## Bash\n\n```shell\nnum='01234567'\necho \"${num:0:3}\"\n# 012\n```\n\n```shell\nhw='hello, world!'\necho \"${hw^}\"\n# Hello, world!\necho \"${hw^^}\"\n# HELLO, WORLD!\n\nhw='Hello, World!'\necho \"${hw,}\"\n# hello, World!\necho \"${hw,,}\"\n# hello, world!\n```\n\n```shell\nmajorVersion=$(echo \"1.2.3\" | cut -d \".\" -f 1)\nminorVersion=$(echo \"1.2.3\" | cut -d \".\" -f 2)\nbuildNumber=$(echo \"1.2.3\" | cut -d \".\" -f 3)\n\necho \"${majorVersion} ${minorVersion} ${buildNumber}\"\nbuildNumber=$(echo \"$(($buildNumber + 1))\")\necho \"${majorVersion} ${minorVersion} ${buildNumber}\"\nnewPackageVersion=$majorVersion.$minorVersion.$buildNumber\n```\n\n## Zsh\n```shell\nhw='hello, world!'\necho \"${(U)hw}\"\necho \"${hw:u}\"\n\nhw='Hello, World!'\necho \"${(L)hw}\"\necho \"${hw:l}\"\n# hello, world!\n```\n\n\n# Read\n\n```shell\nread name\necho \"Hello, $name\"  \n```\n\n# Last 100 commands\n\n## Zsh\n\n```shell\nhistory -1 -100\n```\n\n# Examples\n\n```bash\necho \\# 5. Number Generation        \u003e Number\\ Generation.md\necho \\# 6. Fibonacci Series         \u003e Fibonacci\\ Series.md\necho \\# 7. Combinatorics            \u003e Combinatorics.md\necho \\# 8. Dynamic Programming      \u003e Dynamic\\ Programming.md\necho \\# 9. Greedy                   \u003e Greedy.md\necho \\# 10. Algorithm               \u003e Algorithm.md\necho \\# 11. Number Theory           \u003e Number\\ Theory.md\necho \\# 12. Numerical Methods       \u003e Numerical\\ Methods.md\necho \\# 13. Basics of Numbers       \u003e Basics\\ of\\ Numbers.md\necho \\# 14. Java                    \u003e Java.md\necho \\# 15. Computational Geometry  \u003e Computational\\ Geometry.md\necho \\# 16. Math                    \u003e Math.md\necho \\# 17. Physics                 \u003e Physics.md\necho \\# 18. ASCII Table             \u003e ASCII\\ Table.md\n```\n\n\n```bash\nfor i in {15..50}; do\n  mkdir \"$i. \"\ndone\n```\n\n```bash\ndeclare -a array=(\"Number Generation\" \"Fibonacci Series\" \"Combinatorics\" \"Algorithm\" \"Number Theory\" \"Numerical Methods\" \"Basics of Numbers\" \"Java\" \"Computational Geometry\" \"Math\" \"Physics\" \"ASCII Table\")\n\nfor ((i=1; i\u003c${#array[@]}+1; ++i));\ndo\n  echo \"# $i. ${array[$i]}\" \u003e ${array[$i]}.md\ndone\n```\n\n# Resources\n1. [17 Terminal Commands Every Programmer Should Know](https://medium.com/towards-data-science/17-terminal-commands-every-programmer-should-know-4fc4f4a5e20e)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flifeparticle%2FTerminal-Commands-Cheatsheet","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flifeparticle%2FTerminal-Commands-Cheatsheet","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flifeparticle%2FTerminal-Commands-Cheatsheet/lists"}